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Just to clarify a bit what "C has them" means; the standard library string-to-float parsing function strtof() [1] support this format.

You can also use them as floating-point literals in your code.

Hexfloat is also vastly easier to parse from/to IEEE 752 format than decimal floats.

Thanks, I had never seen that before. But Concise Encoding did complicate them further by accepting commas as decimal separator.